The curvature of the endotracheal tube conforms to the shape of the airway with the head held in the neutral position, and is easier to insert then if the tube was straight. This development, largely, is an accident.
1. Methyl anthranilate, also known as MA, methyl 2-aminobenzoate, or carbomethoxyaniline, is an ester of anthranilic acid. The chemical formula for this compound is C8H9NO2. Methyl anthranilate is a clear to pale yellow liquid with a melting point of 24Â°C and a boiling point of 256Â°.n ester is the product of a reaction between an alcohol and an acid, usually an organic acid.3 Methyl anthranilate is derived from the reaction of methanol and anthranilic acid.
You can marble anything, but we'll focus on hand marbling your own unique quilting cottons. Carrageenan and methyl cellulose, sometimes called methylcel, are two different products used to make marbling size. They are non toxic and both are used as thickening agents in the food and pharmaceutical industries.arbling is a very individual art. Thickness of size, types of paint, patterns, tools, colors -- all are variable ingredients. The only way to discover what works best for you is to experiment.